package com.moral.andbrickslib.compresshelper;
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import android.content.Context;
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import android.graphics.Bitmap;
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import android.net.Uri;
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import java.io.File;
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/**
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* 压缩方法工具类
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*
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* Author: nanchen
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* Email: liushilin520@foxmail.com
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* Date: 2017-03-08 9:03
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*/
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public class CompressHelper {
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private static volatile CompressHelper INSTANCE;
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private Context context;
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/**
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* 最大宽度，默认为720
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*/
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private float maxWidth = 640.0f;
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/**
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* 最大高度,默认为960
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*/
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private float maxHeight = 800.0f;
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/**
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* 默认压缩后的方式为JPEG
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*/
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private Bitmap.CompressFormat compressFormat = Bitmap.CompressFormat.JPEG;
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/**
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* 默认的图片处理方式是ARGB_8888
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*/
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private Bitmap.Config bitmapConfig = Bitmap.Config.ARGB_8888;
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/**
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* 默认压缩质量为80
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*/
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private int quality = 80;
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/**
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* 存储路径
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*/
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private String destinationDirectoryPath;
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private String fileNamePrefix;
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/**
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* 文件名
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*/
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private String fileName;
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private CompressHelper(Context context) {
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this.context = context;
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destinationDirectoryPath = context.getCacheDir().getPath() + File.pathSeparator + FileUtil.FILES_PATH;
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}
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public static CompressHelper getDefault(Context context) {
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if (INSTANCE == null) {
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synchronized (CompressHelper.class) {
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if (INSTANCE == null) {
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INSTANCE = new CompressHelper(context);
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}
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}
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}
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return INSTANCE;
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}
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/**
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* 压缩成文件
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* @param file 原始文件
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* @return 压缩后的文件
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*/
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public File compressToFile(File file) {
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return ImageUtil.compressImage(context, Uri.fromFile(file), maxWidth, maxHeight,
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compressFormat, bitmapConfig, quality, destinationDirectoryPath,
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fileNamePrefix, fileName);
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}
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/**
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* 压缩为Bitmap
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* @param file 原始文件
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* @return 压缩后的Bitmap
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*/
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public Bitmap compressToBitmap(File file) {
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return ImageUtil.getScaledBitmap(context, Uri.fromFile(file), maxWidth, maxHeight, bitmapConfig);
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}
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/**
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* 采用建造者模式，设置Builder
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*/
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public static class Builder {
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private CompressHelper mCompressHelper;
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public Builder(Context context) {
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mCompressHelper = new CompressHelper(context);
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}
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/**
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* 设置图片最大宽度
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* @param maxWidth 最大宽度
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*/
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public Builder setMaxWidth(float maxWidth) {
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mCompressHelper.maxWidth = maxWidth;
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return this;
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}
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/**
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* 设置图片最大高度
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* @param maxHeight 最大高度
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*/
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public Builder setMaxHeight(float maxHeight) {
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mCompressHelper.maxHeight = maxHeight;
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return this;
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}
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/**
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* 设置压缩的后缀格式
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*/
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public Builder setCompressFormat(Bitmap.CompressFormat compressFormat) {
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mCompressHelper.compressFormat = compressFormat;
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return this;
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}
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/**
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* 设置Bitmap的参数
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*/
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public Builder setBitmapConfig(Bitmap.Config bitmapConfig) {
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mCompressHelper.bitmapConfig = bitmapConfig;
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return this;
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}
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/**
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* 设置压缩质量，建议80
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* @param quality 压缩质量，[0,100]
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*/
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public Builder setQuality(int quality) {
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mCompressHelper.quality = quality;
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return this;
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}
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/**
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* 设置目的存储路径
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* @param destinationDirectoryPath 目的路径
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*/
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public Builder setDestinationDirectoryPath(String destinationDirectoryPath) {
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mCompressHelper.destinationDirectoryPath = destinationDirectoryPath;
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return this;
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}
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public Builder setFileNamePrefix(String prefix) {
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mCompressHelper.fileNamePrefix = prefix;
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return this;
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}
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/**
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* 设置文件名称
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* @param fileName 文件名
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*/
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public Builder setFileName(String fileName) {
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mCompressHelper.fileName = fileName;
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return this;
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}
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public CompressHelper build() {
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return mCompressHelper;
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}
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}
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}
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